TW201911816A - Data transmission method of wireless system capable of determining whether a relay device transmits data normally to ensure reliability of data transmission - Google Patents

Abstract

A data transmission method of a wireless system is provided. The wireless system includes a first server, a relay device, and at least one apparatus. The method includes the following steps: connecting the relay device to the first server through a local area network; determining whether the relay device stores status information transmitted from the apparatus, and if so, transmitting the status information to the first server; if not, transmitting a first conversion command to the first server, wherein the first conversion command corresponds to non-storage status information; and transmitting a second conversion command to the first server, and interrupting the connection with the first server after transmitting, wherein the second conversation command requests the first server to disconnect from the relay device. The first server can thereby determine whether the relay device transmits data normally to ensure reliability of data transmission.

Description

Wireless system data transmission method

The invention relates to a wireless system; in particular to a data transmission method of a wireless system.

Press, the general remote control device is equipped with a remote control, so that users can control the device without having to install the device, which adds a lot of convenience to life. And as the number of devices owned by users increases, the number of remote controls will increase. The increase in the number of remote controls is not only difficult to collect, but in some cases, such as the same type of device, the remote control has a similar appearance, making it difficult for the user to distinguish the remote control from the device.

To this end, the manufacturer has introduced a relay device that allows a user to connect to the relay device via an electronic device (for example, a computer or a mobile phone). After the user executes the control command on the electronic device and transmits the control command to the relay device, the relay device converts the received control command into a corresponding control signal and sends it to a specific device, so that the same device can be The electronic device controls different devices to effectively solve the problem of excessive number of remote controls.

Today, when cloud technology is booming, the relay device is also connected to the server via the Internet to transmit the status information of the device to the server via the relay device for subsequent use. When the data is transmitted over the network, it is inevitable that the data will be lost, and the server cannot know whether the relay device has the transmission status information. Therefore, how to ensure the reliability of data transmission between the relay device and the server is an urgent problem to be solved.

In view of the above, an object of the present invention is to provide a data transmission method for a wireless system, which can ensure the reliability of data transmission. In order to achieve the above object, the present invention provides a data transmission method for a wireless system, wherein the wireless system includes a first server, a relay device, and at least one device, and the first server is connected to the relay device. To the regional network, the relay device signals the device, and the relay device receives the status information from the device and stores the data. The data transmission method includes the following steps: A. The relay device passes through the regional network. Connecting with the first server; B. determining whether the relay device stores the status information sent by the device: if yes, transmitting the status information to the first server by the relay device; if not, Transmitting, by the relay device, a first conversation command to the first server, wherein the first conversation command corresponds to not storing the status information; C, transmitting a second conversation command to the first server, and After the transmission, the connection with the first server is interrupted, wherein the second conversation command requests the first server to disconnect the connection with the relay device.

The effect of the invention is that the relay device transmits the first conversation command to the first server even if there is no stored state information, so that the first server can determine whether the relay device has normal transmission data to ensure data transmission. Reliability.

In order to explain the present invention more clearly, a preferred embodiment will be described in detail with reference to the drawings. In order that the present invention may be more clearly described, the preferred embodiments are illustrated in the accompanying drawings. 1 is a wireless system according to a first embodiment of the present invention, including at least one device 10, a relay device 20, a wireless access point (Access Point) 30, an electronic device 40, and a first servo. 50. among them:

The number of the at least one device 10 is plural in the embodiment, and the devices 10 are located at the user end, including the controllable device and the detecting device. In this embodiment, the control device is an air conditioning system 10a and a fireplace 10b. For example, the detecting device is exemplified by the carbon monoxide detector 10c. Each device 10 is connected to the relay device 20 through an RF (Radio Frequency) signal, but not limited thereto, and can also be connected through Wi-Fi, Zigbee, Bluetooth, infrared, and the like. The controllable device receives the control command and performs corresponding actions, such as: turning on, off, adjusting the temperature, etc., and the controlled device also compiles its own state information into an RF signal, and the status information can be currently Information such as the on or off state of the device 10, the current temperature, an abnormal message, and the like. The detecting device also compiles the status information into an RF signal, and the status information may be the detected physical quantity, for example, a carbon monoxide concentration.

The relay device 20 is located at the user end and is connected to the wireless base station 30 via a Wi-Fi signal to connect to the local area network in the user terminal. The wireless base station 30 is also connected to the Internet I, and can be wired to other devices in addition to the Wi-Fi signal. The relay device 20 is configured to receive the RF signal and convert it into a Wi-Fi signal for transmission, and receive the Wi-Fi signal and convert it into an RF signal for transmission. The relay device 20 is configured to receive the RF signals with status information sent by the devices 10, and obtain status information after being interpreted and stored in a memory (not shown). In addition, the relay device 20 has a first counter 202 and a second counter 204. The functions of the first counter 202 and the second counter 204 are described later.

In this embodiment, the electronic device 40 is a tablet computer that can be connected to the Internet I and connected via the Internet wireless base station 30, or directly connected to the wireless base station 30 in the regional network. The electronic device 40 has an application built in for the user to input control commands (such as turning on, off, adjusting temperature, etc.) of the control device 10. The user can specify the device 10 to be controlled through the application of the electronic device 40, and the electronic device 40 can transmit one or more control commands input by the user to the first via the Internet I or the regional network. a server 50, wherein the control command transmitted by the electronic device 40 includes an identifier of the relay device 20, at least one code of the device 10 to be controlled, and an instruction code (eg, turning on, off, and adjusting the temperature) The corresponding instruction code) is used to specify the relay device 20 and the device 10 to be controlled.

The first server 50 is a local server, and is connected to the local area network of the user terminal via the wireless base station 30. The first server 50 is connected to a first database 52. The first database 52 is connected to the first database 52. The control command sent by the electronic device 40 is recorded, and the control command to be sent is stored. The first server 50 and the first database 52 can be executed on the same server host or on two server hosts respectively.

With the above architecture, the data transmission method of the embodiment can be performed, and the method includes the following steps, wherein:

Please cooperate with FIG. 2 for the operation process of the relay device 20:

In step S201, the relay device 20 is connected to the first server 50 via the regional network through the wireless base station 30, so that the relay device 20 and the first server 50 can mutually transmit data.

In step S202, the relay device 20 determines whether there is currently stored status information transmitted by any device 10:

If yes, the relay device 20 transmits the stored status information to the first server 50;

If not, the first conversation command is transmitted by the relay device 20 to the first server 50, wherein the first conversation command corresponds to the current relay device 20 not storing the status information of any device 10, that is, The first server 50 can be uploaded by indicating the headless information to the first server 50.

Step S203, after the relay device 20 transmits the status information or the first chat command, the relay device 20 transmits a second chat command (ie, requests an interrupt command) to the first server 50, and interrupts after the transfer. The connection between the first server 50, wherein the second conversation command requests the first server 50 to disconnect the connection with the relay device 20. In this embodiment, the connection between the channel and the first server 50 is interrupted by the relay device 20 after a predetermined time has elapsed after the second conversation command is transmitted, wherein the predetermined time is 1 second or longer. 1 second is to ensure that the second chat command can be smoothly sent to the first server 50 to prevent the first server 50 from being turned off and the relay device before the second chat command is sent to the first server 50. The 20 channels cause the first server 50 to fail to receive the second talk command.

Please refer to FIG. 3 for the operation flow of the first server 50.

In step S301, after the connection is continued in step S201, the first server 50 waits to receive the data transmitted by the relay device 20.

Step S302, after receiving the data transmitted by the relay device 20, the first server 50 parses the type of the received data, where:

If it is the status information of the device 10, the first server 50 stores the received status information in the first database 52 and updates the device status corresponding to the first database 52, and the corresponding device status. Information is transmitted to the electronic device 40. Returning to step S301, it continues to wait for receiving the material transmitted from the relay device 20.

If it is the first conversation command, the process returns to step S301 to continue waiting for the data transmitted by the relay device 20.

If it is the second conversation command, on behalf of completing the transmission of the data, the first server 50 closes the channel with the relay device 20 to interrupt the connection, waiting for the relay device 20 to reconnect or other relay device 20 In this way, the connection resources of the first server 50 are released, and when the structure of the plurality of relay devices 20 is made, the other relay devices 20 can be connected without being relayed by the original connection. The device 20 is exclusive.

If the status information of the device 10, the first conversation command, and the second conversation command are not representative of the received data format, that is, the data is lost during the transmission, the first server 50 transmits a third conversation command. (that is, requesting an interrupt instruction) to the relay device 20, and interrupting the connection with the relay device 20 after the transmission, wherein the third conversation command requests the relay device 20 to interrupt the first server 50 connection. In this embodiment, the connection between the channel and the relay device 20 is interrupted by the first server 50 after a predetermined time has elapsed after the third conversation command is transmitted, wherein the predetermined time is 1 second or longer. The time of 1 second is to ensure that the third conversation command can be smoothly sent to the relay device 20 to prevent the relay device 20 from being turned off and before the first server 50 before the third conversation command is sent to the relay device 20. The channel causes the relay device 20 to fail to receive the third talk command. After receiving the third conversation command, the relay device 20 returns to step S201 and reconnects to the first server 50 via the regional network.

In the second embodiment, based on the first embodiment, in step S302, the first server 50 determines that the data from the relay device 20 is one of the status information and the first conversation command. The first server 50 determines whether there is currently a control command stored in the first database 52 from the electronic device 40 to be transmitted to any of the devices 10:

If yes, the first server 50 transmits the control command stored in the first database 52 to the relay device 20. After receiving the relay device 20, the relay device 20 sends a control command to the corresponding device 10 to enable the device 10 to perform corresponding operations.

If not, the first server 50 transmits a fourth talk command to the relay device 20, wherein the fourth talk command corresponds to a control command that is not to be transmitted to the device 10.

In the foregoing, the timing of transmitting the control command or the fourth chat command may be performed before or after returning to step 301.

In the foregoing first and second embodiments, after the relay device 20 transmits the status information or the first conversation command in step S202, step S203 is performed, so that the relay device 20 will be stored with or without status information. Communicating with the first server 50, the first server 50 can determine whether the relay device 20 is abnormal (for example, the relay device 20 does not transmit any data after the connection is connected or the transmitted data format does not match) to ensure data. The reliability of the transmission. Of course, step S202 can be performed at least once, or before the step S203 is performed in the following embodiment, the relay device 20 is caused to transmit the status information or the first chat command a plurality of times.

FIG. 4 is a data transmission method of a wireless system according to a third preferred embodiment of the present invention, which has substantially the same steps as the first embodiment, except that:

In step S401, the value of the first counter 202 in the relay device 20 is set to a first starting value. In this embodiment, the first starting value is 0.

In step S402, the value of the first counter 202 is adjusted to another value after a predetermined operation. In this embodiment, the value of the first counter is added to a first predetermined value, and the first predetermined value is 1 example. Of course, the predetermined operation may also be to subtract the first predetermined value.

Step S403 includes: determining whether the value of the first counter 202 reaches a first termination value:

If so, the second chat command is transmitted to the first server 50, and the connection with the first server 50 is interrupted after the transfer. In this embodiment, the connection between the channel and the first server 50 is interrupted by the relay device 20 after a predetermined time has elapsed after the second conversation command is transmitted, wherein the predetermined time is 1 second or longer.

If no, the process returns to step S402.

In this embodiment, the first termination value is taken as an example. In other words, the relay device 20 transmits the status information or the first conversation command 20 times after being connected to the first server 50, unless the step S302 is as in the first embodiment. The data received by the first server 50 is not one of the status information of the device 10, the first conversation command, and the second conversation command, and the number of transmissions is interrupted in advance.

Thereby, each time the relay device 20 is connected to the first server 50, the status information or the first chat command can be transmitted multiple times. In particular, when applied to the architecture of the plurality of relay devices 20, each relay device 20 can maintain a certain number of transmission times after being connected to the first server 50.

In the fourth embodiment, based on the third embodiment, the data transmission method of the wireless system further includes: after the relay device 20 and the wireless base station 30 are connected for a period of time, the relay device 20 interrupts and wirelessly The connection between the base stations 30 is reconnected to the wireless base station 30 by the relay device 20. In this embodiment, after the connection with the wireless base station 30 is interrupted, the relay device 20 first restarts itself, and then the relay device 20 reconnects with the wireless base station 30. In this way, the connection between the relay device 20 and the wireless base station 30 can be made more stable, and data loss can be avoided.

FIG. 5A and FIG. 5B are diagrams showing a data transmission method of a wireless system according to a fifth preferred embodiment of the present invention, which has substantially the same steps as the third embodiment, except that:

Step S500 is included before step S501, the relay device 20 is connected to the wireless base station 30, and the value of the second counter 204 of the relay device 20 is set to a second starting value. In this embodiment, The second starting value is 0.

In step S502, in addition to adjusting the value of the first counter 202 to another value, the value of the second counter 204 is further adjusted to another value after a predetermined operation. In this embodiment, the second counter 204 is The value is added to a second predetermined value, and the second predetermined value is taken as an example. Of course, the predetermined operation can also be subtracted from the second predetermined value.

Step S503, after the relay device 20 interrupts the connection with the first server 50, further includes step S504 (refer to FIG. 5B), and the relay device 20 determines whether the value of the second counter 204 reaches a second end value. :

If so, the relay device 20 interrupts the connection with the wireless base station 30, and returns to step S500 for execution. In this embodiment, after the connection with the wireless base station 30 is interrupted, the relay device 20 first restarts itself, and then returns to step S500 for execution.

If no, the process returns to step S501.

In this embodiment, the connection between the relay device 20 and the wireless base station 30 can be reconnected after a period of time, and the connection between the relay device 20 and the wireless base station 30 is more stable.

FIG. 6 is a data transmission method of a wireless system according to a sixth preferred embodiment of the present invention, which has substantially the same steps as the first embodiment, and the difference is:

Step S601 includes: receiving, by the relay device 20, a first time data to the first server 50. In this step, the relay device 20 transmits a time request command to the first server 50, the first servo. After receiving the device 50, the first time data is returned to the relay device 20, wherein the first time data includes the current system time of the first server 50.

Step S603 includes: the relay device 20 transmits the time request command to the first server 50, to obtain, from the first server 50, a second time data including one of the current system time of the first server 50, and The device 20 determines whether the time difference between the first time data and the second time data reaches a first predetermined time difference:

If yes, the second conversation command is transmitted to the first server 50, and the connection with the first server 50 is interrupted after the transmission; in this embodiment, after the second conversation command is transmitted, a reservation is made. The time is interrupted by the relay device 20 to disconnect the channel between the first server 50, wherein the predetermined time is more than 1 second;

If no, the process returns to step S602.

In this embodiment, after the relay device 20 is connected to the first server 50, the status information or the first conversation command will be transmitted multiple times during the period corresponding to the first predetermined time difference, unless the steps are as in the first embodiment. The data received by the first server 50 of the S302 is not one of the status information of the device, the first conversation command, and the second conversation command, and the number of transmissions is interrupted in advance. Thereby, each time the relay device 20 is connected to the first server 50, the status information or the first chat command can be transmitted multiple times. In particular, when applied to the architecture of the plurality of relay devices 20, each relay device 20 can maintain a certain number of transmission times after being connected to the first server 50.

The data transmission method of this embodiment can also be the same as the fourth embodiment. After the relay device 20 and the wireless base station 30 are connected for a period of time, after the connection between the wireless base station 30 and the wireless base station 30 is interrupted by the relay device 20, After the device 20 first restarts itself, the relay device 20 reconnects with the wireless base station 30. In this way, the connection between the relay device 20 and the wireless base station 30 can be made more stable, and data loss can be avoided.

7A and FIG. 7B are data transmission methods of a wireless system according to a seventh preferred embodiment of the present invention, which have substantially the same steps as those of the sixth embodiment, except that:

Step S700 is included before step S701, and the relay device 20 is connected to the wireless base station 30.

After step S702, step S703 is performed. Step S703, after the relay device 20 interrupts the connection with the first server 50, further includes step S704 (refer to FIG. 7B), and the relay device 20 determines the first time. Whether the time difference between the data and the second time data reaches a second predetermined time difference:

If so, the relay device 20 interrupts the connection with the wireless base station 30, and returns to step S700 to execute. In this embodiment, after the connection with the wireless base station 30 is interrupted, the relay device 20 restarts itself first, and then returns to step S700 to execute.

If no, the process returns to step S701.

In this embodiment, the connection between the relay device 20 and the wireless base station 30 can be reconnected after a period of time, and the connection between the relay device 20 and the wireless base station 30 is more stable.

FIG. 8 is a diagram showing a wireless system according to an eighth preferred embodiment of the present invention, which is based on the wireless system of the first embodiment, and further includes a second server 60, which is a remote server. The second server 60 is connected to a second database 62, and the second database 62 is used for synchronization, and for storing a to-be-downloaded data, the to-be-downloaded The data includes at least one of the following: the software update data of the first server 50, the software update data of the relay device 20, the software update data of the device 10, the notification message, and the status of the device that the first server 50 has uploaded. News. The second server 60 and the second database 62 can be executed on the same server host or on two server hosts. The user can set whether to allow the first server 50 to be connected to the second server 60 in the first server 50.

The data transmission method of the embodiment includes the steps of the first embodiment. In step S202 of FIG. 2, the first server 50 further stores the received at least one status information in the first database 52. To form a to-be-published material containing at least one of the status information.

After the first server 50 determines that the user is allowed to connect the first server 50 to the second server 60, the first server 50 periodically performs the following steps as shown in FIG. 9:

Establishing a connection with the second server 60 by the first server 50;

The first server 50 determines whether the data to be uploaded needs to be transmitted to the second server 60:

If yes, the first server 50 transmits the data to be uploaded to the second server 60;

If not, the first server 50 transmits a download data command to the second server 60;

The second server 60 performs the following steps as shown in FIG. 10:

The second server 60 parses the data transmitted by the first server 50, wherein:

When the parsed data is the data to be uploaded, the second server 60 stores the to-be-uploaded data in the second database 62 for subsequent data analysis;

When the parsed data is the download data command, when it is determined that the data to be downloaded needs to be transmitted to the first server 50, the data to be downloaded is transmitted to the first server 50;

When the parsed data is not one of the to-be-uploaded data and the download data command, transmitting a fifth talk instruction (ie, requesting an interrupt instruction) to the first server 50, and interrupting the first server after the transfer The connection between the servers 50, wherein the fifth conversation command requests the first server 50 to disconnect the connection with the second server 60.

Then, the first server 50 performs the following steps as shown in FIG. 11:

The first server 50 parses the data transmitted by the second server 60, wherein:

When the parsed data is the to-be-downloaded data, the first server 50 stores the to-be-downloaded data in the first database 52 for performing subsequent software update data of the first server 50 and the relay device 20 Software update data, software update data of the device 10, displaying a notification message on a display device (not shown), or retrieving status information that has been uploaded;

When the parsed data is an error message corresponding to the downloaded data, the download data command is further transmitted to the second server 60; wherein the error message indicates that the downloaded data received by the first server 50 is incorrect. For example, the download data is incomplete, and the error message is generated by the first server 50.

When the parsed data is not one of the to-be-downloaded data and the error message, a sixth conversation command (ie, requesting an interrupt instruction) is transmitted to the second server 60, and the second servo is interrupted after the transmission. The connection between the controllers 60, wherein the sixth conversation command requests the second server 60 to disconnect from the first server 50.

Thereby, the first server 50 located at the user end can upload the status information of the device 10 to the remote storage, and obtain the data to be downloaded in the second server 60. When the user setting does not allow the first server 50 to connect to the second server 60, the first server 50 does not transfer the data to be uploaded to the second server 60 to ensure the privacy of the client. The data transmission method of this embodiment can also be applied to the first to seventh embodiments.

According to the above, the data transmission method of the wireless system of the present invention allows the relay device 20 to transmit the first conversation command to the first server 50 even if there is no stored status information, so that the first server 50 can determine Whether the relay device 20 normally transmits data ensures the reliability of data transmission.

The above is only a preferred embodiment of the present invention, and equivalent changes to the scope of the present invention and the scope of the patent application are intended to be included in the scope of the present invention.

[this invention]

10‧‧‧ Equipment

10a‧‧‧Air conditioning system

10b‧‧‧Fireplace

10c‧‧‧ Carbon monoxide detector

20‧‧‧Relay device

202‧‧‧First counter

204‧‧‧Second counter

30‧‧‧Wireless base station

40‧‧‧Electronic devices

50‧‧‧First server

52‧‧‧First database

60‧‧‧Second server

62‧‧‧Second database

I‧‧‧Internet

S201~S203‧‧‧Steps

S301, S302‧‧‧ steps

S401~S403‧‧‧Steps

S500~S504‧‧‧Steps

S601~S603‧‧‧Steps

S700~S704‧‧‧Steps

1 is a block diagram of a wireless system in accordance with a first preferred embodiment of the present invention. 2 is a flow chart showing the operation of the relay device of the data transmission method according to the first preferred embodiment of the present invention. 3 is a flow chart showing the operation of the first server of the data transmission method according to the first preferred embodiment of the present invention. 4 is a flow chart of a data transmission method according to a third preferred embodiment of the present invention. 5A and FIG. 5B are flowcharts of a data transmission method according to a fifth preferred embodiment of the present invention. FIG. 6 is a flowchart of a data transmission method according to a sixth preferred embodiment of the present invention. 7A and 7B are flowcharts of a data transmission method according to a seventh preferred embodiment of the present invention. FIG. 8 is a structural diagram of a wireless system according to an eighth preferred embodiment of the present invention. 9 to 11 are partial flowcharts of a data transmission method according to an eighth preferred embodiment of the present invention.

Claims (18)

A data transmission method for a wireless system, wherein the wireless system includes a first server, a relay device, and at least one device, the first server and the relay device are connected to a regional network, and the relay device signal Connecting the device, the relay device is configured to receive status information from the device and store the same; the data transmission method includes the following steps: A. connecting, by the relay device, the first server via a regional network, The relay device and the first server mutually transmit data; B. determining whether the relay device stores the status information sent by the device: if yes, transmitting, by the relay device, the status information to the first a server, if not, transmitting, by the relay device, a first conversation command to the first server, wherein the first conversation command corresponds to not storing the status information; C, transmitting a second conversation command to the first a server, and disconnecting the connection with the first server after transmitting, wherein the second conversation command requests the first server to disconnect the connection with the relay device. The data transmission method of the wireless system of claim 1, wherein the step A includes: setting a value of a first counter in the relay device to a first start value; and including in step B, the first The value of the counter is adjusted to another value after a predetermined operation; in step C, it is determined whether the value of the first counter reaches a first end value: if yes, the second chat command is transmitted to the first server, and The connection with the first server is interrupted after the transfer; if not, the process returns to step B. The data transmission method of the wireless system of claim 2, wherein in step C, the connection with the first server is interrupted after a predetermined time period after transmitting the second conversation command. The data transmission method of the wireless system of claim 2, wherein the wireless system includes a wireless base station, connected to the regional network, and the relay device is connected through the Wi-Fi signal; the data transmission method is included in After the relay device is connected to the wireless base station for a period of time, the relay device interrupts the connection with the wireless base station, and the relay device reconnects with the wireless base station. The data transmission method of the wireless system of claim 2, wherein the wireless system comprises a wireless base station, connected to the regional network and connected by the relay device via a Wi-Fi signal; The relay device is connected to the wireless base station, and the value of a second counter in the relay device is set to a second starting value; in step B, the value of the second counter is predetermined After the operation is adjusted to another value; after the step C includes determining that the value of the second counter reaches a second end value, the relay device interrupts the connection with the wireless base station, and then returns to the step A before execution. The relay device reconnects with the wireless base station and sets the value of the second counter to the second starting value. The data transmission method of the wireless system according to claim 5, wherein after the relay device interrupts the connection with the wireless base station after the step C, the relay device is restarted before returning to step A. The relay device re-connects to the wireless base station and sets the value of the second counter to the second start value. The data transmission method of the wireless system of claim 5, wherein the step C is followed by determining that the value of the second counter does not reach the second termination value, and returning to step B for execution. The data transmission method of the wireless system of claim 1, wherein the step A includes: obtaining, by the relay device, a first time data from the first server; and the step C includes: a server obtains a second time data, and determines whether the time difference between the first time data and the second time data reaches a first predetermined time difference: if yes, transmitting the second chat command to the first servo And disconnecting the connection with the first server after the transmission; if not, returning to step B for execution. The data transmission method of the wireless system of claim 8, wherein in step C, the connection with the first server is interrupted after a predetermined time period after transmitting the second conversation command. The data transmission method of the wireless system of claim 8, wherein the wireless system includes a wireless base station, connected to the regional network, and the relay device is connected through the Wi-Fi signal; the data transmission method is included in After the relay device is connected to the wireless base station for a period of time, the relay device interrupts the connection with the wireless base station, and the relay device reconnects with the wireless base station. The data transmission method of the wireless system of claim 8, wherein the wireless system comprises a wireless base station, connected to the regional network and connected by the relay device via a Wi-Fi signal; The relay device is connected to the wireless base station; and after the step C includes determining that the time difference between the first time data and the second time data reaches a second predetermined time difference, the relay device interrupts the wireless base The connection between the stations is returned to the wireless base station by the relay device before returning to step A. The data transmission method of the wireless system of claim 11, wherein after the relay device interrupts the connection with the wireless base station, the relay device is restarted before returning to step A. The connection is re-connected to the wireless base station by the relay device. The data transmission method of the wireless system of claim 1, wherein the step B includes: determining, by the first server, that the data from the relay device is not the status information, the first conversation command and the second conversation And transmitting, by the relay device, a third conversation command to the relay device, and interrupting the connection with the relay device after the transmission, wherein the third conversation command requests the relay device to interrupt the The connection of the first server. The data transmission method of the wireless system according to claim 13, wherein after the step B, the relay device returns to the step A after receiving the third conversation instruction. The data transmission method of the wireless system of claim 13, wherein after the step B, the connection between the relay device and the relay device is interrupted by the first server after a predetermined time. The data transmission method of the wireless system of claim 1, wherein the relay device is configured to transmit a control command to the device; and after step B, the first server determines that the data from the relay device is the status information. And one of the first conversation instructions, the first server determines whether there is a control instruction to store the device to be transmitted to the device: if yes, transmitting the stored control command to the relay device; if not, transmitting one The fourth conversation command is to the relay device, wherein the fourth chat command corresponds to a control command that is not to be transmitted to the device. The data transmission method of the wireless system of claim 1, wherein the wireless system includes a second server, the second server and the first server are respectively connected to the Internet; the data transmission method is in the step The B includes storing the status information by the first server to form a to-be-displayed data including the status information. The step B includes: determining that the user allows the first server to connect with the second server Performing the following steps: establishing, by the first server, a connection with the second server; determining whether the first server has the to-be-uploaded data to be transmitted to the second server: If yes, by the first a server transmits the data to be uploaded to the second server; if not, the first server transmits a download data command to the second server; and the second server parses the first server The information transmitted, wherein: the parsed data is the data to be uploaded, and the data to be uploaded is stored; when the parsed data is the download data command, it is determined that there is a to-be-downloaded data to be transmitted to the a server, the data to be downloaded is transmitted to the first server; when the parsed data is not one of the data to be uploaded and the download data command, a fifth conversation command is transmitted to the first And the server disconnects the connection with the first server after the transmission, wherein the fifth conversation command requests the first server to disconnect the connection with the second server. The data transmission method of the wireless system of claim 17, comprising the steps of: parsing, by the first server, the data transmitted by the second server, wherein: when the parsed data is the to-be-downloaded data, The data to be downloaded is stored; if the parsed data is an error message corresponding to the data to be downloaded, the download data command is transmitted to the second server; the parsed data is not the data to be downloaded and the error Transmitting a sixth conversation command to the second server, and interrupting the connection with the second server after the transmission, wherein the sixth conversation command requests the second server Interrupt the connection with the first server.